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Swift-XRT spectra of GRB 230618A

Last updated after receiving ObsID 01175438004, version 15

Data were analysed using HEASOFT version 6.35.2

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Jump to: Time-averaged|Late Time

Time-averaged spectrum (T0 + 134 to 58607 s)

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WT and PC mode spectra of Time-averaged

WT mode. Mean photon arrival: T0+197 s

N_H (Galactic)	2.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.2 (+0.5, -0.4) × 10²¹ cm^-2
z of absorber	0
Photon index	1.46 (+0.12, -0.12)
Flux (0.3-10 keV) (Observed)	4.0 (+0.3, -0.3) × 10^-10 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	4.48 (+0.27, -0.22) × 10^-10 erg cm^-2 s^-1
Counts to flux (obs)	4.61 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.17 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	352.37 (461)
Spectrum exposure	157 s

PC mode. Mean photon arrival: T0+3871 s

N_H (Galactic)	2.14 × 10²⁰ cm^-2
N_H (intrinsic)	2.1 (+0.7, -0.6) × 10²¹ cm^-2
z of absorber	0
Photon index	1.83 (+0.18, -0.17)
Flux (0.3-10 keV) (Observed)	6.4 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	8.4 (+0.7, -0.6) × 10^-12 erg cm^-2 s^-1
Counts to flux (obs)	4.05 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	5.31 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	282.59 (316)
Spectrum exposure	11.7 ks

Late Time spectrum (T0 + 4908 to 58607 s)

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PC mode spectrum of Late Time

PC mode. Mean photon arrival: T0+25750 s

N_H (Galactic)	2.14 × 10²⁰ cm^-2
N_H (intrinsic)	1.8 (+2.5, -1.6) × 10²¹ cm^-2
z of absorber	0
Photon index	2.2 (+0.7, -0.5)
Flux (0.3-10 keV) (Observed)	3.46 (+1.23, -0.86) × 10^-13 erg cm^-2 s^-1
Flux (0.3-10 keV) (Unabsorbed)	5.2 (+3.4, -1.1) × 10^-13 erg cm^-2 s^-1
Counts to flux (obs)	3.19 × 10^-11 erg cm^-2 ct^-1
Counts to flux (unabs)	4.82 × 10^-11 erg cm^-2 ct^-1
W-stat (dof) What's this?	62.56 (75)
Spectrum exposure	10.4 ks